<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .banner{
            position: relative;
            width: 590px;
            height: 470px;
            margin: 0 auto;
        }
        .btn-left{
            width: 40px;
            height: 40px;
            background: rgba(10, 10, 10, 0.5);
            color: #fff;
            text-align: center;
            line-height: 40px;
            border-top-right-radius: 20px;
            border-bottom-right-radius: 20px;
            position: absolute;
            top: 50%;
            margin-top: -20px;
        }
        .btn-right{
            width: 40px;
            height: 40px;
            background: rgba(10, 10, 10, 0.5);
            color: #fff;
            text-align: center;
            line-height: 40px;
            border-top-left-radius: 20px;
            border-bottom-left-radius: 20px;
            position: absolute;
            top: 50%;
            right: 0;
            margin-top: -20px;
        }
        .btn:hover{
            transition: all 1s;
            background: rgba(10, 10, 10, 1);
        }
        .banner-list{
            list-style: none;
            margin: 0;
            padding: 0;
            position: absolute;
            left: 50px;
            bottom: 50px;
        }
        .banner-list li{
            display: inline-block;
            width: 15px;
            height: 15px;
            background: #ffffff;
            border-radius: 50%;
        }
    </style>
</head>
<body>
    <div class="banner">
        <div class="btn btn-left">&lt;</div>
        <div class="btn btn-right">&gt;</div>
        <img src="./images/q.jpg" alt="">
        <ul class="banner-list">
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
        </ul>
    </div>
</body>
</html>